package com.niit.onlinemusicserver.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.niit.onlinemusicserver.model.domain.Song;
import org.springframework.stereotype.Component;

import java.util.List;
@Component
public interface SongMapper extends BaseMapper<Song> {
    List<Integer> selectAllSongIds();
}
